“How quickly will J.J. McCarthy start as quarterback for the Vikings?”

“J.J. McCarthy could be the Vikings’ starting quarterback at the beginning of his rookie season, but it largely depends on his performance. The team isn’t in a rush to start him, especially since they have new $10 million bridge option Sam Darnold to begin the year as QB1. However, the 21-year-old McCarthy has the chance to prove himself during spring practices, training camp, and preseason games. Head coach Kevin O’Connell’s decision for Week 1 will be based on how McCarthy and Darnold perform during the offseason.” O’Connell and Vikings GM…